Antagonistic
Antagonistic
Antagonistic (pronunciation: an·tag·o·nis·tic, /ænˌtæɡ.əˈnɪs.tɪk/) is a term used in various fields of medicine, primarily in pharmacology and physiology. It refers to the action of a substance that counteracts or inhibits the effects of another substance.
Etymology
The term "antagonistic" is derived from the Greek word "antagonistēs", which means "opponent" or "rival". In the medical context, it was first used in the mid-19th century to describe the opposing action of muscles or drugs.
Related Terms
- Agonist: A substance that initiates a physiological response when combined with a receptor.
- Receptor: A protein molecule that receives chemical signals from outside a cell.
- Pharmacology: The branch of medicine concerned with the uses, effects, and modes of action of drugs.
- Physiology: The branch of biology that deals with the normal functions of living organisms and their parts.
- Inhibitor: A substance that slows down or prevents a particular chemical reaction or other process, or that reduces the activity of a particular reactant, catalyst, or enzyme.
- Biochemistry: The branch of science concerned with the chemical and physicochemical processes and substances that occur within living organisms.
See Also
References
External links
- Medical encyclopedia article on Antagonistic
- Wikipedia's article - Antagonistic
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